+if test "$choose_blkid" != no; then
+ { echo "$as_me:$LINENO: checking for blkid_get_library_version in -lblkid" >&5
+echo $ECHO_N "checking for blkid_get_library_version in -lblkid... $ECHO_C" >&6; }
+if test "${ac_cv_lib_blkid_blkid_get_library_version+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lblkid $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char blkid_get_library_version ();
+int
+main ()
+{
+return blkid_get_library_version ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_lib_blkid_blkid_get_library_version=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_lib_blkid_blkid_get_library_version=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_blkid_blkid_get_library_version" >&5
+echo "${ECHO_T}$ac_cv_lib_blkid_blkid_get_library_version" >&6; }
+if test $ac_cv_lib_blkid_blkid_get_library_version = yes; then
+ LIBBLKID="-lblkid"
+else
+ { { echo "$as_me:$LINENO: error: libblkid needed" >&5
+echo "$as_me: error: libblkid needed" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+ if test "${ac_cv_header_blkid_blkid_h+set}" = set; then
+ { echo "$as_me:$LINENO: checking for blkid/blkid.h" >&5
+echo $ECHO_N "checking for blkid/blkid.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_blkid_blkid_h+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_blkid_blkid_h" >&5
+echo "${ECHO_T}$ac_cv_header_blkid_blkid_h" >&6; }
+else
+ # Is the header compilable?
+{ echo "$as_me:$LINENO: checking blkid/blkid.h usability" >&5
+echo $ECHO_N "checking blkid/blkid.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <blkid/blkid.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking blkid/blkid.h presence" >&5
+echo $ECHO_N "checking blkid/blkid.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <blkid/blkid.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null && {
+ test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ }; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: blkid/blkid.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: blkid/blkid.h: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: blkid/blkid.h: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: blkid/blkid.h: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: blkid/blkid.h: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: blkid/blkid.h: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: blkid/blkid.h: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: blkid/blkid.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: blkid/blkid.h: in the future, the compiler will take precedence" >&2;}
+ ( cat <<\_ASBOX
+## ---------------------------------------- ##
+## Report this to linux-nfs@vger.kernel.org ##
+## ---------------------------------------- ##
+_ASBOX
+ ) | sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+{ echo "$as_me:$LINENO: checking for blkid/blkid.h" >&5
+echo $ECHO_N "checking for blkid/blkid.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_blkid_blkid_h+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_header_blkid_blkid_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_blkid_blkid_h" >&5
+echo "${ECHO_T}$ac_cv_header_blkid_blkid_h" >&6; }
+
+fi
+if test $ac_cv_header_blkid_blkid_h = yes; then
+ :
+else
+ { { echo "$as_me:$LINENO: error: Cannot find libblkid header file blkid/blkid.h" >&5
+echo "$as_me: error: Cannot find libblkid header file blkid/blkid.h" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+
+
+ { echo "$as_me:$LINENO: checking for suitable libblkid version" >&5
+echo $ECHO_N "checking for suitable libblkid version... $ECHO_C" >&6; }
+ if test "${libblkid_is_recent+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ saved_LIBS="$LIBS"
+ LIBS=-lblkid
+ if test "$cross_compiling" = yes; then
+ libblkid_is_recent=unknown
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+ #include <blkid/blkid.h>
+ int main()
+ {
+ int vers = blkid_get_library_version(0, 0);
+ return vers >= 140 ? 0 : 1;
+ }
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ libblkid_is_recent=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+libblkid_is_recent=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+ LIBS="$saved_LIBS"
+
+fi
+ { echo "$as_me:$LINENO: result: $libblkid_is_recent" >&5
+echo "${ECHO_T}$libblkid_is_recent" >&6; }
+
+ if test $choose_blkid = yes; then
+ use_blkid=1
+ test $libblkid_is_recent = no && { echo "$as_me:$LINENO: WARNING: libblkid is old and may cause mountd to leak memory" >&5
+echo "$as_me: WARNING: libblkid is old and may cause mountd to leak memory" >&2;}
+ else
+ if test $libblkid_is_recent = yes
+ then use_blkid=1
+ else use_blkid=0
+ { echo "$as_me:$LINENO: WARNING: uuid support disabled as libblkid is too old" >&5
+echo "$as_me: WARNING: uuid support disabled as libblkid is too old" >&2;}
+ fi
+ fi
+
+cat >>confdefs.h <<_ACEOF
+#define USE_BLKID $use_blkid
+_ACEOF
+
+fi
+